l-carnitine l-carnitine l-tartrate or acetyl-l-carnitine The Difference Between & Acetyl – Swanson Vitamins Acetyl-L-Carnitine
Description
Effects of L-carnitine supplementation on weight loss and body composition: a systematic review and meta-analysis of 37 randomized controlled clinical trials with dose-response analysis

J Stud Alcohol 61:4654

doi: 10.1089/ars.2014.6200 49 MurphyMP

In the brain, decreased neurogenesis, activated microglia, and brain aggregate accumulation are accompanied by aging, and all of these events may contribute to impaired cognitive and locomotor performances [2,3,4,5]

Notably, BDNF levels fluctuate with the estrous cycle and estrogen administration can increase the expression of BDNF in the PFC and hippocampus 6366

Rauer, C., Sen, N., Waman, V
